Power supply for field wireless sets - Engeland Voorschrift, 26/Manuals/81 Organization and inter-communication in the field - Engeland Voorschrift, 26/Manuals/90 Conventional signs, military symbols, and abbreviations / prep. under direction of the Chief of Engineers - USA Basic Field Manual, FM 21-30 Field service pocketbook : volume I military courtesy ...- sketching / prep. under direction of the Chief of Engineers chapter 1 t/m 9 - USA … Signal communication / prepared under direction of the Chief Signal Officer - USA Basic Field Manual, FM 24-5 Soldier's handbook / prepared under direction of the Chief of Staff - USA Basic Field Manual, FM 21-100 Soldier's handbook / prepared under direction of the Chief of Staff - USA Basic Field Manual, FM 21-100 Staff officers' field manual : United States Army ... / Prepared under the direction of the Chief of Staff, 1928 Land mine warfare - USA Voorschrift, Field Manual 5-31 Signal corps field manual Signal corps field manual : Signal corps troops Fiscal accounting for field installations - USA Voorschrift Technical Manual 14-702